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Jyutping gwaa1 waa1 zi2
Pinyin guā wá zi

Definitions (Wiktionary)
  1. noun, Sichuanese, derogatory
    silly person
  2. noun, Sichuanese, endearing
    darling; my dear (between a couple or to a child)

瓜娃子 [---]

Jyutping
Pinyin guā wá zi

Definitions (CC-CEDICT)
  1. (dialect) fool
  2. a silly